Mersen A3T45 - Class T Fuse 45A 300V (200kA AIC)

Mersen A3T45 is a Class T low-voltage fuse designed for high-interrupting circuit protection in industrial electrical systems. It features a 300V AC/DC voltage rating and 45A current rating with a 200kA interrupting capacity at 300V for reliable short-circuit protection. The fuse has a compact cylindrical design with a 0.56" diameter and single-barrel construction weighing 5 lb, meeting UL/CSA standards for safety compliance. Its T-class rating makes it suitable for protecting transformers, motor circuits, and power distribution equipment where high fault currents may occur.

Key Features & Specifications

• Type: Class T fast-acting fuse with single-element design
• Voltage Rating: 300V AC/DC
• Current Rating: 45A
• Dimensions: 0.56" diameter
• Standards: UL/CSA listed
• Applications: Industrial power distribution, motor protection, transformer circuits
• AIC rating: 200kA@300V
• Class Rating: T
• Barrels: 1
• Weight: 5 lb

Product Identification

• UPC: 782001890124
• GTIN: 00782001890124